[llvm-commits] [llvm] r73916 - /llvm/trunk/lib/Support/Statistic.cpp

[Owen Anderson]

Author: resistor
Date: Mon Jun 22 18:08:27 2009
New Revision: 73916

URL: http://llvm.org/viewvc/llvm-project?rev=73916&view=rev
Log:
Guard the statistics table.

Modified:
    llvm/trunk/lib/Support/Statistic.cpp

Modified: llvm/trunk/lib/Support/Statistic.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Statistic.cpp?rev=73916&r1=73915&r2=73916&view=diff

==============================================================================
--- llvm/trunk/lib/Support/Statistic.cpp (original)
+++ llvm/trunk/lib/Support/Statistic.cpp Mon Jun 22 18:08:27 2009
@@ -25,6 +25,7 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Streams.h"
+#include "llvm/System/Mutex.h"
 #include "llvm/ADT/StringExtras.h"
 #include <algorithm>
 #include <ostream>
@@ -57,13 +58,14 @@
 }
 
 static ManagedStatic<StatisticInfo> StatInfo;
-
+static ManagedStatic<sys::Mutex> StatLock;
 
 /// RegisterStatistic - The first time a statistic is bumped, this method is
 /// called.
 void Statistic::RegisterStatistic() {
   // If stats are enabled, inform StatInfo that this statistic should be
   // printed.
+  sys::ScopedLock Writer(&*StatLock);
   if (Enabled)
     StatInfo->addStatistic(this);
   // Remember we have been registered.